Nowadays,more and more attention has been paid to the safety of animal food.A comprehensive traceability system is an important measure to reduce the hidden danger of animal food safety,reduce economic loss and boost consumer confidence.Identification technology plays a key role in animal production and traceability system for supervision of adulteration.At present,there are two major types of marker technologies that can be used for animal traceability:nonbiological markers and biological markers.This article reviews the application and traceability differences of biologically specific geneti...
